271721520

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{17971}}^1$

素因数の和:18000

約数の個数: 160

約数和(自身を含む): 1069693440

約数和(自身を除く): 797971920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 15120, 17971, 35942, 53913, 71884, 89855, 107826, 125797, 143768, 161739, 179710, 215652, 251594, 269565, 287536, 323478, 359420, 377391, 431304, 485217, 503188, 539130, 628985, 646956, 718840, 754782, 808695, 862608, 970434, 1006376, 1078260, 1132173, 1257970, 1293912, 1437680, 1509564, 1617390, 1886955, 1940868, 2012752, 2156520, 2264346, 2426085, 2515940, 2587824, 3019128, 3234780, 3396519, 3773910, 3881736, 4313040, 4528692, 4852170, 5031880, 5660865, 6038256, 6469560, 6793038, 7547820, 7763472, 9057384, 9704340, 10063760, 11321730, 12939120, 13586076, 15095640, 16982595, 18114768, 19408680, 22643460, 27172152, 30191280, 33965190, 38817360, 45286920, 54344304, 67930380, 90573840, 135860760, 271721520]

約数ペア:

[(1, 271721520), (2, 135860760), (3, 90573840), (4, 67930380), (5, 54344304), (6, 45286920), (7, 38817360), (8, 33965190), (9, 30191280), (10, 27172152), (12, 22643460), (14, 19408680), (15, 18114768), (16, 16982595), (18, 15095640), (20, 13586076), (21, 12939120), (24, 11321730), (27, 10063760), (28, 9704340), (30, 9057384), (35, 7763472), (36, 7547820), (40, 6793038), (42, 6469560), (45, 6038256), (48, 5660865), (54, 5031880), (56, 4852170), (60, 4528692), (63, 4313040), (70, 3881736), (72, 3773910), (80, 3396519), (84, 3234780), (90, 3019128), (105, 2587824), (108, 2515940), (112, 2426085), (120, 2264346), (126, 2156520), (135, 2012752), (140, 1940868), (144, 1886955), (168, 1617390), (180, 1509564), (189, 1437680), (210, 1293912), (216, 1257970), (240, 1132173), (252, 1078260), (270, 1006376), (280, 970434), (315, 862608), (336, 808695), (360, 754782), (378, 718840), (420, 646956), (432, 628985), (504, 539130), (540, 503188), (560, 485217), (630, 431304), (720, 377391), (756, 359420), (840, 323478), (945, 287536), (1008, 269565), (1080, 251594), (1260, 215652), (1512, 179710), (1680, 161739), (1890, 143768), (2160, 125797), (2520, 107826), (3024, 89855), (3780, 71884), (5040, 53913), (7560, 35942), (15120, 17971)]